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QR-Code-generator
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Added initial values to some variables in C code to avoid potential compiler warnings.

This commit is contained in:
Project Nayuki 2017-11-28 17:07:20 +00:00
parent 0f73afa367
commit 30a9474596
1 changed files with 5 additions and 4 deletions
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9
c/qrcodegen.c
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@ -424,7 +424,7 @@ static void drawWhiteFunctionModules(uint8_t qrcode[], int version) {
static void drawFormatBits(enum qrcodegen_Ecc ecl, enum qrcodegen_Mask mask, uint8_t qrcode[]) { static void drawFormatBits(enum qrcodegen_Ecc ecl, enum qrcodegen_Mask mask, uint8_t qrcode[]) {
// Calculate error correction code and pack bits // Calculate error correction code and pack bits
assert(0 <= (int)mask && (int)mask <= 7); assert(0 <= (int)mask && (int)mask <= 7);
int data; int data = -1; // Dummy value
switch (ecl) { switch (ecl) {
case qrcodegen_Ecc_LOW : data = 1; break; case qrcodegen_Ecc_LOW : data = 1; break;
case qrcodegen_Ecc_MEDIUM : data = 0; break; case qrcodegen_Ecc_MEDIUM : data = 0; break;
@ -529,7 +529,7 @@ static void applyMask(const uint8_t functionModules[], uint8_t qrcode[], enum qr
for (int x = 0; x < qrsize; x++) { for (int x = 0; x < qrsize; x++) {
if (getModule(functionModules, x, y)) if (getModule(functionModules, x, y))
continue; continue;
bool invert; bool invert = false; // Dummy value
switch ((int)mask) { switch ((int)mask) {
case 0: invert = (x + y) % 2 == 0; break; case 0: invert = (x + y) % 2 == 0; break;
case 1: invert = y % 2 == 0; break; case 1: invert = y % 2 == 0; break;
@ -919,7 +919,7 @@ bool qrcodegen_encodeSegmentsAdvanced(const struct qrcodegen_Segment segs[], siz
int bitLen = 0; int bitLen = 0;
for (size_t i = 0; i < len; i++) { for (size_t i = 0; i < len; i++) {
const struct qrcodegen_Segment *seg = &segs[i]; const struct qrcodegen_Segment *seg = &segs[i];
unsigned int modeBits; unsigned int modeBits = 0; // Dummy value
switch (seg->mode) { switch (seg->mode) {
case qrcodegen_Mode_NUMERIC : modeBits = 0x1; break; case qrcodegen_Mode_NUMERIC : modeBits = 0x1; break;
case qrcodegen_Mode_ALPHANUMERIC: modeBits = 0x2; break; case qrcodegen_Mode_ALPHANUMERIC: modeBits = 0x2; break;
@ -1006,7 +1006,7 @@ testable int getTotalBits(const struct qrcodegen_Segment segs[], size_t len, int
// given mode at the given version number. The result is in the range [0, 16]. // given mode at the given version number. The result is in the range [0, 16].
static int numCharCountBits(enum qrcodegen_Mode mode, int version) { static int numCharCountBits(enum qrcodegen_Mode mode, int version) {
assert(qrcodegen_VERSION_MIN <= version && version <= qrcodegen_VERSION_MAX); assert(qrcodegen_VERSION_MIN <= version && version <= qrcodegen_VERSION_MAX);
int i; int i = -1; // Dummy value
if ( 1 <= version && version <= 9) i = 0; if ( 1 <= version && version <= 9) i = 0;
else if (10 <= version && version <= 26) i = 1; else if (10 <= version && version <= 26) i = 1;
else if (27 <= version && version <= 40) i = 2; else if (27 <= version && version <= 40) i = 2;
@ -1020,4 +1020,5 @@ static int numCharCountBits(enum qrcodegen_Mode mode, int version) {
case qrcodegen_Mode_ECI : return 0; case qrcodegen_Mode_ECI : return 0;
default: assert(false); default: assert(false);
} }
return -1; // Dummy value
} }